So after a long drive, starting the car up again showed the low coolant message on my dash. Couldn't see any pools of water, probably because the hot engine evaporated it all, so I topped up and ran the car. Initially it looked like it was coming from above the coolant temperature sensor, possibly a housing but on closer inspection a hose had bulged a lot and was the likely suspect.
The part number is 038121473 and it's a coolant breather hose from the rear of the engine around the right to a metal coolant pipe, and it's about £15.
changing it isn't too hard at all, 30 mins going slowly and carefully. I think the pipe perished over time because it goes right next to the engine and under the tandem pump, hot stuff! It did well to last 140k miles.
The part number is 038121473 and it's a coolant breather hose from the rear of the engine around the right to a metal coolant pipe, and it's about £15.
changing it isn't too hard at all, 30 mins going slowly and carefully. I think the pipe perished over time because it goes right next to the engine and under the tandem pump, hot stuff! It did well to last 140k miles.
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